US Bridges

Fdr 94 over Rio Las Vacas

Fair

Sandoval County, New Mexico · .7 MI Se/O Rio Vacas Cg · Structure no. 031002000001204

Built
1960
65 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
42 ft
2 main spans
Daily traffic
75
2022 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 94 over Rio Las Vacas is a concrete continuous slab carrying Fdr 94 over Rio Las Vacas in Sandoval County, New Mexico. It was built in 1960, so it is 65 years old, older than the New Mexico average of 51.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 75 vehicles a day, projected to reach 99 by 2042. The structure is 42 ft (12.7 m) long and 16 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesFdr 94
CrossesRio Las Vacas
Location.7 MI Se/O Rio Vacas Cg
RouteFederal Lands Road 94
Coordinates35.99302, -106.79683
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length42 ft (12.7 m)
Longest span21 ft (6.5 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic99 by 2042
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 94 over Rio Las Vacas built?

It was built in 1960, making it 65 years old in 2025.

What condition is Fdr 94 over Rio Las Vacas in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Fdr 94 over Rio Las Vacas carry?

About 75 vehicles per day (2022 count).

How long is Fdr 94 over Rio Las Vacas?

The structure is 42 ft (12.7 m) long with a longest span of 21 ft (6.5 m) and a deck 16 ft wide.

Who owns Fdr 94 over Rio Las Vacas?

It is owned by the U.S. Forest Service.